Mineral: |
Hematite |
Reference: |
RK14 |
SCM Type: |
DDL - Diffuse Double Layer
|
Ionic Strength: |
0.0 mol/L of
NaClO4
|
Site Type: |
»Fe-OH |
PZC: |
|
pK1: |
7.42 |
pK1°I=0 (Conversion to I = 0): |
7.42 |
pK12.31 nm−2 (normalized): |
7.40 |
pK2: |
8.78 |
pK2°I=0 (Conversion to I = 0): |
8.78 |
pK22.31 nm−2 (normalized): |
8.80 |
Site Density in nm-2: |
2.2000 |
Original Site Density: |
2.2 sites / nm² surface
|
Solid/Liquid Ratio in g/L: |
0.3 |
pH Range: |
3-11 |
Temperature in K: |
298.15 |
Method for Site Density: |
Geometrical Calculation |
Method for Protolysis: | Potentiometric Titration |
Fit Method: | FITEQL |
Comment: |
specific surface area from [MDCF93a] and [MF99] 8.5 m^2/g, The acidity constants of surface hydroxyl groups were determined in an ionic strength range of 0.04–0.20 M NaClO4. |
|